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eufy E340 Black, extra backup battery Smart Video Doorbell, Black, with Extra Backup Battery
Available offers (4)
Current
Black, extra backup battery
Newegg
€124.84
Available to order
Features
- WiFi wireless protocol
- Dual cameras
- Stated video resolution: 2K Full HD
- Compatible with Amazon Alexa and Google Assistant
- Not compatible with Apple HomeKit
- Battery included; extra backup battery stated
- No monthly fee
General specs
- Brand: eufy
- Model: E340
- Seller: Newegg
- ID: 9SIAXSYKE99185
- Brand: eufy
- Bundle: with extra backup battery
- Model Name: E340
- Product Type: smart video doorbell
- Battery Included: Yes
- Wireless Protocol: WiFi
- Stated monthly fee: No monthly fee
- Camera Configuration: Dual cameras
- Stated video resolution: 2K Full HD
- Amazon Alexa compatibility: Yes
- Apple HomeKit compatibility: No
- Google Assistant compatibility: Yes
- Extra backup battery configuration: Extra backup battery stated
- First listed by seller: October 6, 2026
If you are interested in more details, you can find full information on the seller's page.
€124.84
Last price update: 10/6/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
This smart video doorbell has dual cameras and a stated video resolution of 2K Full HD. It uses WiFi, is compatible with Amazon Alexa and Google Assistant, and is not compatible with Apple HomeKit. A battery is included, and an extra backup battery is stated. No monthly fee.
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| Brand | eufy | eufy | eufy | eufy | eufy | eufy |
| Model | E340 | Video Doorbell E340 | C31 | C31 | ||
| Price | €124.84 | €107.01 | €115.92 | €151.59 | €178.35 | €71.33 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 |
| Bundle | with extra backup battery | Video doorbell with extra rechargeable battery pack | Battery Video Doorbell E340 with Battery Indoor Cam E30 | |||
| Model Name | E340 | Video Doorbell E340 | C31 | C31 | ||
| Product Type | smart video doorbell | Smart doorbell | smart doorbell | Smart doorbell, Smart doorbell and indoor camera bundle | Smart doorbell | Smart doorbell |
| Camera Configuration | Dual cameras | Dual cameras | Dual camera | |||
| Amazon Alexa compatibility | Yes | Yes | Yes | Yes | Yes | |
| Google Assistant compatibility | Yes | Yes | Yes | Yes | Yes | |
| Weight | 1.06 Pounds | 7 ounces | 0.198857lb | |||
| Dimensions | 5.9 x 2.03 x 1.11 inches (source order; axes unlabeled) | 5.83 x 2.07 x 1.23 inches | 6.22 x 1.97 x 1.06 inches (axes not labeled) | |||
| Part Number | T8214111 | E8203111 | T8223111 | |||
eufy E340 Black WiFi wireless protocol
€124.84
When this device makes sense
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